@Bob G (WNY) posted:Mounting all track on at least a one-inch-thick layer of extruded-foam insulation board [resting on an open-grid benchwork] would certainly help damp out any residual noise.
Bob, I believe extruded Styrofoam has about the same sound deadening qualities as plywood -- meaning it is terrible. Expanded Styrofoam would be much better with Homasote 440 being around the best. Somewhere on this forum is a lengthy experiment with different kinds of roadbed and noise. I have also read on this forum, at least for 0 gauge, FasTrack is much noisier that SHS/MTH S-Trax.
I have no trouble cutting S-Trax and like Brio wooden track, all these systems are much more forgiving than a CAD program would have you think. +/- an inch is usually close enough.
Good luck and have fun,
Tom Stoltz
in Maine